When to Plant Red cabbage in Zone 3b

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when to plant red cabbage by referring to the USDA zone info for Zone 3b.

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Planting Calendar for Red cabbage

Frost tolerance for red cabbage: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

You can plant red cabbage quite a bit earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant red cabbage
Possibly ok, but a risky time to plant red cabbage
Probably not a good time to plant red cabbage

The earliest that you can plant red cabbage in Zone 3b is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant red cabbage and expect a good harvest is probably August. You probably don't want to wait any later than that or else your red cabbage may not have a chance to really do well. If you are starting your red cabbage indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 3b the average date of last frost happens on May 15. It might get as low as -35°F during the coldest months of winter.

Keep in mind that USDA zone info for Zone 3b may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Zone 3b it frosts late in the year after May 15 be ready to cover your red cabbage if you have a late frost.

USDA Zone Info for Zone 3b

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Zone 3b

You may be interested in your other planting guides for Zone 3b.